SiliconeZone Non-Skid Set Of 4 Cocktail Bar Boards. Set of four cutting boards made of heavy grade plastic; Boards measure 8 x 5 inches Silicone backing provides non-skid performance; Nonporous surface won't retain food odors Color-coded for use with different foods; Set features four different bar themed graphics. Flexible for storage in tight spaces Dishwasher Safe, Top Rack Only